Enhancement of sintering ability of magnesium aluminate spinel (MgAl2O4) ceramic nanopowders by shock compression

Powder Technology

Volumn 200, Issue 1-2, 2010, Pages 91-95

  Chen, Q Y ^a,b   Meng, C M ^a   Lu, T C ^b   Chang, X H ^b   Ji, G F ^a   Zhang, L ^a,b   Zhao, F ^a  

^a RESEARCH CENTER OF LASER FUSION   (China)

^b SICHUAN UNIVERSITY   (China)

Author keywords

Ceramic nanopowder; MgAl2O4; Residual stresses; Shock compression; X ray diffraction (XRD)

Indexed keywords

AFTER SHOCKS; CERAMIC NANOPOWDER; CERAMIC NANOPOWDERS; GRAIN SIZE; MAGNESIUM ALUMINATE SPINEL; NANO POWDERS; SHOCK COMPRESSIONS; SHOCK PRESSURE; SHOCK VELOCITIES; TRANSMISSION ELECTRON MICROSCOPE; TRANSPARENT CERAMIC;

CERAMIC MATERIALS; ELECTRON MICROSCOPES; GRAIN SIZE AND SHAPE; LATTICE CONSTANTS; MAGNESIUM; RESIDUAL STRESSES; SEMICONDUCTOR INSULATOR BOUNDARIES; SINTERING; TRANSMISSION ELECTRON MICROSCOPY; X RAY DIFFRACTION;

NANOSTRUCTURED MATERIALS;

ALUMINUM MAGNESIUM HYDROXIDE; NANOMATERIAL;

ARTICLE; CERAMICS; CHEMICAL STRESS; COMPRESSION; CONSTANTS AND COEFFICIENTS; CONTROLLED STUDY; CRYSTAL STRUCTURE; DENSITY; FLOW KINETICS; GRAIN; IMAGE ANALYSIS; POWDER; PRESSURE GRADIENT; SURFACE PROPERTY; TRANSMISSION ELECTRON MICROSCOPY;

EID: 77950071865     PISSN: 00325910     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.powtec.2010.02.004     Document Type: Article

References (16)

1. Sindel M., Travitzky N.A., Claussen N. Influence of magnesium-aluminum spinel on the directed oxidation of molten aluminum alloys. J. Am. Ceram. Soc. 1990, 73:2615-2618.
2. Ganesh I., Bhattacharjee S., Saha B.P., Johnson R., Rajeshwary K., Sengupta R., Rao M.V.R., Mahajan Y.R. An efficient MgAl2O4 spinel additive for improved slag erosion and penetration resistance of high-Al2O3 and MgO-C refractories. Ceram. Inter. 2002, 28:245-253.
3. Ganesh I., Srinivas B., Johnson R., Saha B.P., Mahajan Y.R. Microwave assisted solid state reaction synthesis of MgAl2O4 spinel powders. J. Eur. Ceram. Soc. 2004, 24:201-207.
4. Baudin G., Martinez R., Pena P. High-temperature mechanical behavior of stoichiometric magnesium spinel. J. Am. Ceram. Soc. 1995, 78:1857-1862.
5. Zhang H., Jia X., Yan Y., Liu Z., Yang D., Li Z. The effect of the concentration of citric acid and pH values on the preparation of MgAl2O4 ultrafine powder by citrate sol-gel process. Mater. Res. Bull. 2004, 39:839-850.
6. Lu T.C., Chang X.H., Qi J.Q., Luo X.J., Wei Q.M., Zhu S., Sun K., Lian J., Wang L.M. Low-temperature high-pressure preparation of transparent nanocrystalline MgAl2O4 ceramics. Appl. Phys. Lett. 2007, 88:213120.1-213120.3.
7. Yang Y., Gould R.D., Horie Y., Iyer K.R. Shock-induced chemical reactions in a Ni/Al Powder mixture. Appl. Phys. Lett. 1997, 70:3365-3367.
8. Zhao S., Germann T.C., Strachan A. Atomistic simulations of shock-induced alloying reactions in Ni/Al nanolaminates. J. Chem. Phys. 2006, 125:164707.1-164707.8.
9. Chen T., Hampikian J.M., Thadhani N.N. Synthesis and characterization of mechanically alloyed and shock-consolidated nanocrystalline NiAl intermetallic. Acta Mater. 1999, 47:2567-2579.
10. Miao W., Wu Y., Zhou H., Han W., Ru F. Low-temperature sintering of AlN ceramics with shock wave treated powder. Mater. Lett. 1997, 30:411-414.
11. Chang X.H., Lu T.C., Zhang Y. MgAl2O4 transparent nano-ceramics prepared by sintering under ultrahigh pressure. Key Eng. Mater. 2006, 280:549-552.
12. Tyagi P., Vedeshwar A.G. Effect of residual stress on the optical properties of CdI2 films. Phys. Rev. B 2002, 66:075422.1-075422.8.
13. Wu Y., Miao W.G., Zhou H.P., Han W., Xue H.L. Characterization of shock waves treated aluminum nitride powder and its potential for low-temperature sintering. Mater. Chem. Phys. 2000, 62:91-94.
14. Zhang S., Xie H., Zeng X., Hing P. Residual stress characterization of diamond-like carbon coatings by an X-ray diffraction method. Surf. Coat. Technol. 1999, 122:219-224.
15. Apetz R., Bruggen M.P.B. Transparent alumina: a light-scattering model. J. Am. Ceram. Soc. 2003, 86:480-486.
16. Takemura D., Aihara S., Hamano K., Kise M., Nishimura T., Urushibata H., Yoshivasu H. A powder particle size effect on ceramic powder based separator for lithium rechargeable battery. J. Power Sources 2005, 146:779-783.